package a01demo1;

import java.io.File;
import java.io.IOException;

public class Test1 {
    public static void main(String[] args) throws IOException {
        // D:\vscode\JavaScript\e
        File f = new File("Demo\\aaa");
        f.mkdirs();
        File src = new File(f, "a.txt");
        boolean b = src.createNewFile();
        System.out.println(b);
    }
}
